package com.zHan.sky.controller.admin;

import com.zHan.sky.common.contant.MessageConstant;
import com.zHan.sky.common.result.Result;
import com.zHan.sky.common.utils.AliOssUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.UUID;

/**
 * 文件上传和文件下载
 */

@RestController
@Slf4j
@RequestMapping("/admin/common")
@Api(tags = "常用相关接口")
public class CommonController {

    @Autowired
    private AliOssUtil aliOssUtil;


    /**
     * 文件上传
     *
     * @param file
     * @return
     */
    @PostMapping("/upload")
    @ApiOperation(value = "文件上传")
    public Result<String> upload(MultipartFile file) {
        log.info("文件上传：{}", file);
        try {
            // 获得原始文件名
            String originalFilename = file.getOriginalFilename();
            // 截取后缀
            String extension = originalFilename.substring(originalFilename.lastIndexOf("."));
            // 构造新文件名
            String objectName = UUID.randomUUID().toString() + extension;

            String filename = aliOssUtil.upload(file.getBytes(), objectName);
            return Result.success(filename);
        } catch (IOException e) {
            log.error("文件上传失败");
        }
        return Result.error(MessageConstant.UPLOAD_FAILED);

    }
}
